1. A motorcycle enthusiast jumps 97 m on a horizontal playground. Assume that he left the take-off ramp at 12° to the horizontal and that the takeoff and landing heights are the same. Neglecting air drag, determine his takeoff speed.
2. A motorcycle enthusiast jumps 97 m on a horizontal playground. Assume that the takeoff and landing heights are the same. Neglecting air drag, determine his takeoff speed.